Home / 2,681.28-4,024.08-1,512

Finding the Fourth Proportional to 2,681.28, 4,024.08 and 1,512

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Solution

The fourth proportional to 2,681.28, 4,024.08 and 1,512 is: 2,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.28 : 4,024.08 = 1,512 : x
  2. Step 2: Convert to fraction form
    2,681.28/4,024.08 = 1,512/x
  3. Step 3: Cross multiply
    2,681.28x = 4,024.08 × 1,512
  4. Step 4: Simplify right side
    2,681.28x = 6,084,408.96
  5. Step 5: Solve for x
    x = 6,084,408.96/2,681.28
  6. Step 6: Final answer
    x = 2,269.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.